code: def test_2_get_columns(self):
      tbls = self.handler.get_columns("home_rentals")
      assert tbls.type is not RESPONSE_TYPE.ERROR
  
file_path: mindsdb/mindsdb/integrations/handlers/snowflake_handler/tests/test_snowflake_handler.py
imports: from mindsdb.integrations.handlers.snowflake_handler.snowflake_handler import SnowflakeHandler
  import unittest
  from mindsdb.api.executor.data_types.response_type import RESPONSE_TYPE
  from mindsdb_sql import parse_sql
label_desc: Use image node_id 4 for calling the SnowflakeHandlerTest obj's underlying member method code with example usage: obj.test_2_get_columns() without return types